WO1998030335A1 - Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe - Google Patents

Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe Download PDF

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Publication number
WO1998030335A1
WO1998030335A1 PCT/EP1998/000061 EP9800061W WO9830335A1 WO 1998030335 A1 WO1998030335 A1 WO 1998030335A1 EP 9800061 W EP9800061 W EP 9800061W WO 9830335 A1 WO9830335 A1 WO 9830335A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge device
discharge
base body
actuating
media
Prior art date
Application number
PCT/EP1998/000061
Other languages
German (de)
English (en)
French (fr)
Inventor
Gerald Krampen
Karl-Heinz Fuchs
Hans Merk
Original Assignee
Ing. Erich Pfeiffer Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19700437A external-priority patent/DE19700437B4/de
Priority to DE59804505T priority Critical patent/DE59804505D1/de
Priority to AT98904040T priority patent/ATE219391T1/de
Priority to KR10-1999-7006158A priority patent/KR100492350B1/ko
Priority to EP98904040A priority patent/EP0951362B1/de
Priority to BR9807065-7A priority patent/BR9807065A/pt
Application filed by Ing. Erich Pfeiffer Gmbh filed Critical Ing. Erich Pfeiffer Gmbh
Priority to US09/341,336 priority patent/US6321942B1/en
Priority to CA002277208A priority patent/CA2277208C/en
Priority to DK98904040T priority patent/DK0951362T3/da
Priority to JP53053898A priority patent/JP4046769B2/ja
Priority to AU62075/98A priority patent/AU734535B2/en
Publication of WO1998030335A1 publication Critical patent/WO1998030335A1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means

Definitions

  • Discharge device for flowable media by means of a push piston pump
  • Medium is present from the beginning of sufficient atomization pressure and that the pump is actuated to the end of its stroke and thus outputs the entire contents of the media store, which simultaneously forms the pump cylinder, in one or two strokes.
  • Such disposable or multiple dispensers are important for dispensing medications that are particularly critical with regard to dispensing, contamination, preservation or other criteria.
  • EP-B-521 022 shows a double atomizer, in which the thrust piston pump is limited in stroke by a link on the circumference of the housing, which is switched on for a second stroke.
  • the pressure point safety device can contain at least one predetermined breaking point. It is particularly preferably provided on a snap-in ring which, e.g. is formed on a sleeve forming an actuating button and receiving the media container via destructible material bridges.
  • This snap-in ring makes it possible to provide the material bridges on one of the two parts to be joined, the ring which is snapped onto the other part then remaining on the other part after the separation of the material bridges.
  • a stop is preferably provided, the stop elements of which are formed, for example, in the region of the spokes carrying the ring.
  • the part that is movable relative to the base body ie the actuating sleeve with the media store, strikes a fixed stop, so that it is ensured that the second discharge stroke stage is not triggered immediately.
  • an unlocking operation is first carried out, for example by rotating the two parts which are movable relative to one another.
  • the spokes remaining on the actuating sleeve and now separated from the ring can be moved into one position be rotated where they lie in the area of webs, which in turn are connected to the base body via predetermined breaking points.
  • This rotational position can be limited by projecting wall sections in order to prevent "overturning". If a second actuation takes place, the predetermined breaking points between the web and the base body again break, so that a second discharge stroke is carried out with a minimum actuating force.
  • the media store be hermetically sealed until it is used for the first time.
  • the media store usually a cylindrical glass ampoule
  • the media store is closed by a stopper made of rubber-like material which is pierced by a hollow needle during the first discharge stroke, which thus forms a kind of outlet valve.
  • the discharge channel connected to it or formed by it remains open after the first stroke, so that atomization can begin immediately on the subsequent second stroke.
  • the invention therefore also aims to design a dispensing device in such a way that it can be applied to specific locations within body openings, in particular also locations that are difficult to access.
  • a nozzle section of the base body can be followed by a thin and long outlet nozzle which is considerably smaller in diameter than the nozzle body, at the end of which the outlet opening is preferably arranged in the form of a spray nozzle.
  • a drug preferably a vaccine or immunizer against colds, such as flu.
  • a drug preferably a vaccine or immunizer against colds, such as flu.
  • the described shape of the outlet proboscis enables the introduction into this area.
  • the outlet trunk In order to allow an insertion of the outlet trunk into the corresponding, curved areas of the nasal cavity, it can be bent, such as a curvature, a kink or the like. have or branch off at an angle from the nozzle section. It can itself be elastic or plastically flexible, i.e. be flexible so that it adapts itself to it when inserted into a nasal canal.
  • the actual delivery device ie usually a thrust piston pump
  • the outlet trunk has an inner channel which is largely filled with a filler, with the exception of at least one line channel for the medium.
  • a disposable double atomizer for dispensing two successive partial batches is created as a spray. It has on a base body a protruding nose adapter with a nozzle, actuation shoulders for supporting two fingers and an actuation part which can be pushed into the base body and has an actuation sleeve and a media store held therein, the plunger plug of which can be pierced by a hollow needle.
  • a ring is attached to the actuating sleeve over predetermined breaking points by means of spokes, which tears off during a first actuation while maintaining a minimum actuation pressure. The spokes hit a stop and thereby limit the first partial stroke.
  • the actuating section By rotating the actuating sleeve, the actuating section is brought into the starting position for the second lifting stage. Intermediate webs inserted by means of material bridges are broken out, as a result of which the second partial stroke also takes place while maintaining a minimum actuation force.
  • FIG. 3 is a view of the actuating sleeve and the molded ring, seen in FIG. 1 according to arrow III from below,
  • Fig. 5 is a section along the line V in Fig. 4 and
  • the discharge device 11 shown in the drawing has a base body 12, which consists of plastic injection molding. It has a central elongated nozzle section 13, which is adapted in shape and length to the respective application. In the present case, it is a so-called nasal adapter, which is intended to be inserted into a patient's nostril. At its upper ends it has a discharge opening 14 in the form of a spray nozzle with an upstream angular chamber. This is followed by the inside of the hollow nozzle section 13 a sleeve-shaped piston rod carrier 15 is provided, into which a likewise hollow piston rod 16 is pressed at the bottom.
  • This needle-shaped piston tappet 17 penetrates the piston rod completely and is brought up to the discharge opening 14 , so its interior forms a discharge channel 19.
  • the pharmaceutical medium 24 to be dispensed is in one
  • Media container 20 is provided, which is designed as a cylindrical, closed at the bottom and open at the top, provided with a side flange glass container similar to an ampoule. At the same time, it forms the media reservoir and the pump chamber 23, so that its inner walls are simultaneously the cylinder raceway of a push piston pump 46.
  • Your piston 21 is formed by a piston stopper, which is made of rubber or rubber-like material and has in the middle a membrane 22 in the form of a middle piece with a small wall thickness, which can be pierced by the piston tappet 17.
  • the media container 20 is received in an actuating and receiving sleeve 25, which is designed in the form of a very elongated plastic sleeve closed at the bottom with inner support ribs for the media container. Its closed base 26 forms an actuating surface for the discharge device 11. It is guided between the ribs 45 in the interior of the nozzle section together with the media container and is axially movable therein.
  • a first pressure point safety device 27 is formed on the outer circumference. It consists of three connecting webs or spokes 29 (FIG. 3) which run over material bridges 30 with a the outer ring 28 are connected. This is received in a circumferential position determined by a guide groove 42 with its outer circumference in a snap connection 32, which is provided in a cylindrical base section 34 of the base body, specifically at its lower edge.
  • the material bridges are designed so that they break when a predetermined actuation pressure is applied (Fig. 2).
  • An inner rib 48 of the base portion 34 defines the ring 28 in its axial position.
  • the base section 34 extends downward from actuation shoulders 35 which, as an overall oval surface (FIG. 4), surround the central connecting piece section 13 and have a stiffening edge 36 at the bottom.
  • the spokes 29 have lateral reinforcements and are stiffened in the axial direction by support ribs 31.
  • the outer surface of the actuating sleeve 25 has an outer handle in the form of a corrugation.
  • walls 44 can be seen from FIG. 4, which project downwards. They form three arcuate sections 49 and then extend outwards on both sides of the circumference of the base section, so that they form slots 43 between them. Between their walls 44 there are plates or webs 40 which form a second pressure point safeguard 39 for a second stroke. They are connected to the walls via material bridges 41. One of the walls 44 is elongated and forms a rotary stop 38 against which one of the spokes 29 strikes during rotation.
  • the resulting ready-to-use discharge device is now gripped by the user when required by placing two fingers on the actuation shoulders 35 and pressing the actuating surface 26 with the thumb.
  • the material bridges 30 tear, which form a predetermined breaking point, so that the actuation sleeve is now moved upward in FIG. 1 with a predetermined force and correspondingly high actuation speed.
  • the piston rod 16 presses the piston stopper into the media container 20 and the medium 24 is released via the discharge channel 19 in the needle and the outlet opening 14 as a spray mist. This happens while the patient has inserted the neck section 13 into one of his nostrils.
  • the spokes 29 lie on the webs 40.
  • the material bridges 41 also break there.
  • the second discharge stroke stage also becomes like the first Carried out by the lower end edge of the piston rod 16 pushing the piston plug 21 further into the media container 20 and thus conveying the medium through the discharge channel 19 in the manner of a push piston pump.
  • the function is ended. It is therefore a two-way disposable pump that is disposed of after one use. Since, with the exception of the media store 20 and the steel needle 17 and possibly the piston plug 21, all parts are made of plastic injection molding, and preferably of the same material, recycling is possible.
  • the discharge device makes it possible to discharge the individual batches with great dosing accuracy and reliability. give; if desired, in different amounts.
  • the partial strokes are different because of the free travel to be run when first actuated, which is taken into account in the design. It is possible to adapt the discharge device for other purposes, for example for medicaments which are intended for eyes or other application sites which occur in pairs or several times.
  • the device can also be used for several successive applications in the form of spray or other dispensing form, for example the treatment at intervals of a few minutes on the same application site.
  • discharge device 11 corresponds to that according to FIGS. 1 to 5. Reference is made to the description thereof. The same parts have the same reference numerals.
  • the nozzle section 13 tapers towards its end and merges into an outlet trunk 50 which is formed in one piece with it and is elongate and thin. Its diameter is between 3 and 4 mm or less, but usually not more than 5 mm, and it is over 10 mm, preferably between 20 and 30 mm long. The ratio of the length of the trunk to the diameter is about 7 and should advantageously be over 5. It is circular cylindrical and has the outlet opening 15 in the form of a spray nozzle at its end. This is a hole of small diameter formed in the outlet trunk 50, which together with swirl channels 51, which are formed in the front end of a filler 52, forms a nozzle with a conical spray jet.
  • the filler 52 is formed in one piece with the piston rod 16 and has on its outside conduit channels 53 of very small cross-section in the form of molded-in longitudinal grooves.
  • the longitudinal piece fills an inner channel 54 of the hollow outlet trunk 50, which minimizes the dead space for the escaping medium.
  • the line channels 53 are connected to the inner bore of the needle 17 via a distributor chamber 53 formed by a reduction in diameter of the filling piece / piston rod unit.
  • the outlet nozzle 50 is flexibly flexible, specifically in the region of an articulated kink 56 which lies in a central region of the outlet nozzle. It is formed in that the filler 52a in the area of the kink is reduced in diameter to such an extent that it is slightly flexible due to the flexibility of its material.
  • the material of the outlet proboscis is also flexible enough to allow a certain hose-like bend. If necessary, bellows-like folds could be formed there to facilitate the bending. It is also possible to make the entire outlet trunk elastic or plastically flexible by appropriate choice of material. It is also possible to permanently curve or bend the outlet nozzle or to choose the orientation of the spray nozzle other than in the axial direction.
  • the outlet trunk is inserted by the doctor or another qualified person and aligned accordingly.
  • the discharge device is then actuated in the manner described above in order to carry out a first lifting section.
  • the outlet trunk is then inserted into the second nostril and the second lifting section is triggered after it has been unlocked, if necessary.
  • a certain hand position can be predetermined by appropriately designing the finger support shoulders 35, so that the doctor automatically hits the right place.
  • the doctor can align the trunk beforehand in accordance with his experience, and in the case of an elastically flexible trunk the trunk can be shaped accordingly when it is inserted into the nose. Applying a lubricant to the nozzle can help here.

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicinal Preparation (AREA)
  • Threshing Machine Elements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Coating Apparatus (AREA)
  • Materials For Medical Uses (AREA)
  • Closures For Containers (AREA)
PCT/EP1998/000061 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe WO1998030335A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AU62075/98A AU734535B2 (en) 1997-01-09 1998-01-08 Discharge device for flowable media using a thrust piston pump
AT98904040T ATE219391T1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe
KR10-1999-7006158A KR100492350B1 (ko) 1997-01-09 1998-01-08 추력 피스톤 펌프를 사용하는 유동성 매체 방출장치
EP98904040A EP0951362B1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe
BR9807065-7A BR9807065A (pt) 1997-01-09 1998-01-08 Dispositivo de descarga para meio escoável usando uma bomba de êmbolo de pressão
DE59804505T DE59804505D1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe
US09/341,336 US6321942B1 (en) 1997-01-09 1998-01-08 Discharge device for flowable media using a thrust piston pump
CA002277208A CA2277208C (en) 1997-01-09 1998-01-08 Discharge device for flowable media using a thrust piston pump
DK98904040T DK0951362T3 (da) 1997-01-09 1998-01-08 Indretning til udtagning af fluide medier ved hjælp af en forskydningsstempelpumpe
JP53053898A JP4046769B2 (ja) 1997-01-09 1998-01-08 スラスト・ピストンポンプを使用する流動性媒体の吐出装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19700437A DE19700437B4 (de) 1996-01-23 1997-01-09 Austragvorrichtung für fließfähige Medien mittels einer Schubkolbenpumpe
DE19700437.7 1997-01-09
DE19723133.0 1997-06-03
DE19723133A DE19723133A1 (de) 1997-06-03 1997-06-03 Austragvorrichtung für Medien

Publications (1)

Publication Number Publication Date
WO1998030335A1 true WO1998030335A1 (de) 1998-07-16

Family

ID=7831207

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/000061 WO1998030335A1 (de) 1997-01-09 1998-01-08 Austragvorrichtung für fliessfähige medien mittels einer schubkolbenpumpe

Country Status (14)

Country Link
US (2) US6321942B1 (pt)
EP (3) EP1219356B1 (pt)
JP (2) JP4046769B2 (pt)
KR (2) KR100492350B1 (pt)
CN (1) CN1103642C (pt)
AT (3) ATE475487T1 (pt)
AU (2) AU734535B2 (pt)
BR (2) BR9807065A (pt)
CA (1) CA2277208C (pt)
DE (5) DE19723133A1 (pt)
DK (2) DK0951362T3 (pt)
ES (1) ES2176960T3 (pt)
PT (1) PT951362E (pt)
WO (1) WO1998030335A1 (pt)

Cited By (7)

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WO2000047332A1 (de) * 1999-02-14 2000-08-17 Ing. Erich Pfeiffer Gmbh Spender für fliessfähige medien
GB2316451B (en) * 1996-08-15 2000-09-13 Tenax Corp Dispensing device
DE19940236A1 (de) * 1999-08-25 2001-03-08 Pfeiffer Erich Gmbh & Co Kg Spender mit manuell betätigbarer Ausbringeinrichtung
DE19944209A1 (de) * 1999-09-15 2001-03-22 Pfeiffer Erich Gmbh & Co Kg Spender zum ggf. zerstäubten Ausbringen eines insbesondere flüssigen Mediums aus einem Behältnis
JP2001137355A (ja) * 1999-10-14 2001-05-22 Becton Dickinson & Co ホルダ及び薬剤容器を含む薬剤送出システム及び送出方法
JP2005510261A (ja) * 2001-04-10 2005-04-21 ベクトン・ディキンソン・アンド・カンパニー ホルダ及び薬剤容器を含む薬剤送出システム
GB2441129A (en) * 2006-08-26 2008-02-27 Norwich Pharma Technologies Limited A dose dispensing canister

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FR2764807B1 (fr) * 1997-06-18 1999-08-20 Valois Sa Dispositif de distribution nasale d'un produit fluide ou pulverulent
DE19944211A1 (de) * 1999-09-15 2001-03-22 Pfeiffer Erich Gmbh & Co Kg Vorrichtung zum ggf. zerstäubten Ausbringen eines insbesondere flüssigen Mediums
DE10036594A1 (de) * 2000-07-27 2002-02-07 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
GB2372782B (en) * 2000-09-29 2004-09-22 Pharmacure Ab Nasal sprays
WO2004022141A1 (en) * 2002-09-03 2004-03-18 Pharmacure Health Care Ab Nasal sprays
US20080220107A1 (en) * 2002-09-03 2008-09-11 Pharmacure Health Care Ab Nasal spray apparatus
JP4259157B2 (ja) * 2003-03-25 2009-04-30 オムロンヘルスケア株式会社 液体アンプル容器
GB0309354D0 (en) * 2003-04-24 2003-06-04 Glaxo Group Ltd Nozzle for a nasal inhaler
DE10321902A1 (de) 2003-05-06 2004-12-09 Ing. Erich Pfeiffer Gmbh Austragvorrichtung für zumindest ein Medium
DE10323603A1 (de) * 2003-05-20 2004-12-30 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung mit einer Pumpeinrichtung
US7188750B2 (en) * 2003-09-05 2007-03-13 Hospira, Inc. Blow fill sealed container with twist off top operated by overcap and method of forming the same
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GB0416801D0 (en) * 2004-07-28 2004-09-01 Reckitt Benckiser Uk Ltd Apparatus and method of using the same
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EP0951362A1 (de) 1999-10-27
JPH10338298A (ja) 1998-12-22
ATE219391T1 (de) 2002-07-15
CN1103642C (zh) 2003-03-26
BR9801755A (pt) 1999-06-01
CA2277208C (en) 2007-12-11
CN1250398A (zh) 2000-04-12
DE29824620U1 (de) 2001-11-15
US6059150A (en) 2000-05-09
EP1219356A3 (de) 2002-08-28
EP1219356A2 (de) 2002-07-03
KR100559101B1 (ko) 2006-07-25
ES2176960T3 (es) 2002-12-01
US6321942B1 (en) 2001-11-27
DE59812015D1 (de) 2004-11-04
DK0951362T3 (da) 2002-07-15
EP0951362B1 (de) 2002-06-19
EP0882516A1 (de) 1998-12-09
AU740121B2 (en) 2001-11-01
EP1219356B1 (de) 2010-07-28
ATE475487T1 (de) 2010-08-15
AU734535B2 (en) 2001-06-14
PT951362E (pt) 2002-11-29
DE59814459D1 (de) 2010-09-09
JP2001509070A (ja) 2001-07-10
JP4046769B2 (ja) 2008-02-13
ATE277689T1 (de) 2004-10-15
BR9807065A (pt) 2000-05-02
EP0882516B1 (de) 2004-09-29
CA2277208A1 (en) 1998-07-16
DE59804505D1 (de) 2002-07-25
DE19723133A1 (de) 1998-12-10
AU6207598A (en) 1998-08-03
KR19990006599A (ko) 1999-01-25
AU6987498A (en) 1998-12-10
KR100492350B1 (ko) 2005-05-31
KR20000069945A (ko) 2000-11-25
DK0882516T3 (da) 2005-01-17

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